Pine Ridge Archery Nitro Split Limb Dampener - Black 2/pkg.. They hold tight and will dampen vibration and noise on both vertical bows as well as many crossbows like the Ravin Crossbow and others. These vibration dampeners are made of durable material that can be squeezed into tight limb gaps and stay in place. Use one on top and one on bottom or you can stack them to make custom color set ups. Specifications for Pine Ridge Archery Nitro Split Limb Dampener: Manufacturer: Pine Ridge Archery Size: One Size Weight: 0.6 oz Package Contents: Pine Ridge Archery Nitro Split Limb Dampener Pine Ridge Archery 2727-BK: Nitro Split Limb Dampener - Black 2/pkg.